8.4 grams. I think but I’m not 100% sure
Data:
weight of water before heating = 0.349
weight of hydrate before heateing = 2.107
Formula:
Weight percent of water = [ (weight of water) / (weight of the hydrate) ] * 100
Solution:
Weight percent of water = [ 0.349 / 2.107] * 100 ≈ 16.6 %
Answer: 16.6%
The atomic number is always equal to the number of protons. It will be equal to the number of elections also if the atom has a neutral charge.
If you find my answer helpful, please brainliest me!
I am pretty sure u have pictures and this one should be the one that erika should make
Answer:
ammmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm yeah i dont know
Explanation:
